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The need for transvenous pacing (patients who have exhausted epicardial options) after a Fontan-type operation has been recognized. Many novel strategies have been proposed, but currently, all of them require additional maneuvers or rerouting of the leads to the pacemaker pocket. In this report, we describe a novel direct approach to transvenous pacing after a Fontan-type operation from a standard, prepectoral approach.

A term baby was born with findings of edema, harsh murmur, and hypertension. Pregnancy course was complicated by hydrops fetalis. Upon birth, blood work did not reveal any abnormalities, but an echocardiogram showed patient in high-output heart failure. A computed tomography (CT) chest, abdomen, and pelvis revealed narrowing of aorta in the thoracic region to distal iliac and renal arteries, consistent with mid-aortic syndrome. Mid-aortic syndrome, which results in the narrowing of thoracic or abdominal aorta, is a rare cause of hypertension, especially in newborns. This case elucidates the importance of maintaining a broad differential when encountering an uncommon problem in a newborn.

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